/**
  ******************************************************************************
  * @file    BSP/Src/stm32f7xx_it.c
  * @author  MCD Application Team
  * @brief   Main Interrupt Service Routines.
  *          This file provides template for all exceptions handler and 
  *          peripherals interrupt service routine.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2018 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f7xx_it.h"


/** @addtogroup STM32F7xx_HAL_Examples
  * @{
  */

/** @addtogroup BSP
  * @{
  */ 

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
extern DMA_HandleTypeDef   hdma;
/*DMA status declared in "sdram_dma.c" file */
extern uint32_t uwDMA_Transfer_Complete;
/* SAI handler declared in "stm32f7508_discovery_audio.c" file */
extern SAI_HandleTypeDef haudio_out_sai;
/* SAI handler declared in "stm32f7508_discovery_audio.c" file */
extern SAI_HandleTypeDef haudio_in_sai;
/* SDRAM handler declared in "stm32f7508_discovery_sdram.c" file */
extern SDRAM_HandleTypeDef sdramHandle;
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/******************************************************************************/
/*            Cortex-M7 Processor Exceptions Handlers                         */
/******************************************************************************/

/**
  * @brief   This function handles NMI exception.
  * @param  None
  * @retval None
  */
void NMI_Handler(void)
{
}

/**
  * @brief  This function handles Hard Fault exception.
  * @param  None
  * @retval None
  */
void HardFault_Handler(void)
{
  /* Go to infinite loop when Hard Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Memory Manage exception.
  * @param  None
  * @retval None
  */
void MemManage_Handler(void)
{
  /* Go to infinite loop when Memory Manage exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Bus Fault exception.
  * @param  None
  * @retval None
  */
void BusFault_Handler(void)
{
  /* Go to infinite loop when Bus Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Usage Fault exception.
  * @param  None
  * @retval None
  */
void UsageFault_Handler(void)
{
  /* Go to infinite loop when Usage Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles SVCall exception.
  * @param  None
  * @retval None
  */
void SVC_Handler(void)
{
}

/**
  * @brief  This function handles Debug Monitor exception.
  * @param  None
  * @retval None
  */
void DebugMon_Handler(void)
{
}

/**
  * @brief  This function handles PendSVC exception.
  * @param  None
  * @retval None
  */
void PendSV_Handler(void)
{
}

/**
  * @brief  This function handles SysTick Handler.
  * @param  None
  * @retval None
  */
void SysTick_Handler(void)
{
  HAL_IncTick();
}

/******************************************************************************/
/*                 STM32F7xx Peripherals Interrupt Handlers                   */
/*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
/*  available peripheral interrupt handler's name please refer to the startup */
/*  file (startup_stm32f7xx.s).                                               */
/******************************************************************************/



/**
  * @brief  This function handles External line 1 interrupt request.
  * @param  None
  * @retval None
  */
void EXTI0_IRQHandler(void)
{
  HAL_GPIO_EXTI_IRQHandler(WAKEUP_BUTTON_PIN);
}

/**
  * @brief  This function handles External line 2 interrupt request.
  * @param  None
  * @retval None
  */
void EXTI2_IRQHandler(void)
{
   HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_2);
}

/**
  * @brief  This function handles External line 15_10 interrupt request.
  * @param  None
  * @retval None
  */
void EXTI15_10_IRQHandler(void)
{
  /* Interrupt handler shared between SD_DETECT pin, USER_KEY button and touch screen interrupt */
  if (__HAL_GPIO_EXTI_GET_IT(SD_DETECT_PIN) != RESET)
  {
    HAL_GPIO_EXTI_IRQHandler(SD_DETECT_PIN | TS_INT_PIN | AUDIO_IN_INT_GPIO_PIN);   /* SD detect event or touch screen interrupt */
  }
  else
  {     /* User button event or Touch screen interrupt */
    HAL_GPIO_EXTI_IRQHandler(KEY_BUTTON_PIN);
  }
}

/**
  * @brief This function handles DMA2 Stream 7 interrupt request.
  * @param None
  * @retval None
  */
void AUDIO_IN_SAIx_DMAx_IRQHandler(void)
{
  HAL_DMA_IRQHandler(haudio_in_sai.hdmarx);
}

/**
  * @brief  Handles SDRAM DMA transfer interrupt request.
  * @retval None
  */
void BSP_SDRAM_DMA_IRQHandler(void)
{
  HAL_DMA_IRQHandler(sdramHandle.hdma); 
}

/**
  * @brief  DMA interrupt handler.
  * @param  None
  * @retval None
  */
void DMA2_Stream1_IRQHandler(void)
{
  BSP_CAMERA_DMA_IRQHandler();
}

/**
  * @brief  This function handles DMA2 Stream 6 interrupt request.
  * @param  None
  * @retval None
  */
void AUDIO_OUT_SAIx_DMAx_IRQHandler(void)
{
  HAL_DMA_IRQHandler(haudio_out_sai.hdmatx);
}


/**
  * @}
  */ 

/**
  * @}
  */

